Health-related attitudes and behaviour are working already in the first years of life. Approaches of prevention for children and adolescents exist from structured programmes to promote healthy behaviour and to strengthen life skills through the support of parents to the qualification of professionals for the promotion of childhood resources. An essential starting point is the design of living conditions in which children and young people spend a lot of their time. An important goal of the BMBF-Förderschwerpunkt "Prevention Research" was the knowledge about which programmes, policies and approaches are effective and justify a transfer into practice. On looking back on the projects, some factors for the effectiveness of the measures could be identified: the presence of a reason, context reference, programme offerings and activation of all actors. The research projects also provide evidence of an increase in knowledge of effective evaluation since supply onset, although a binding standard of evaluation, the understanding of relevant outcome measures and other aspects are still lacking.
